CN107065267A - Touch screen color membrane substrates - Google Patents
Touch screen color membrane substrates Download PDFInfo
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- CN107065267A CN107065267A CN201710362476.3A CN201710362476A CN107065267A CN 107065267 A CN107065267 A CN 107065267A CN 201710362476 A CN201710362476 A CN 201710362476A CN 107065267 A CN107065267 A CN 107065267A
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- Prior art keywords
- control line
- color membrane
- membrane substrates
- touch control
- insulating barrier
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- 239000000758 substrate Substances 0.000 title claims abstract description 97
- 239000012528 membrane Substances 0.000 title claims abstract description 47
- 239000011159 matrix material Substances 0.000 claims abstract description 69
- 230000004888 barrier function Effects 0.000 claims abstract description 56
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 34
- 230000006698 induction Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 45
- 239000011521 glass Substances 0.000 description 17
- 239000002243 precursor Substances 0.000 description 16
- 239000010408 film Substances 0.000 description 14
- 238000011161 development Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000012545 processing Methods 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- JEVCWSUVFOYBFI-UHFFFAOYSA-N cyanyl Chemical compound N#[C] JEVCWSUVFOYBFI-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N glycolonitrile Natural products N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- 229960002050 hydrofluoric acid Drugs 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Position Input By Displaying (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to the manufacture field of display, a kind of touch screen color membrane substrates are disclosed, including：Underlay substrate；It is arranged on the first insulating barrier of the upper surface of the underlay substrate, there are at least two touch control line Tx on the lower surface of first insulating barrier, it is arranged on the second insulating barrier of the upper surface of first insulating barrier, there are at least two touch control line Rx on the lower surface of second insulating barrier, the black-matrix layer of the upper surface of second insulating barrier is arranged on, the coating of the upper surface of the black-matrix layer is arranged on；And it is arranged at least two posts layer of the upper surface of the coating.Touch screen driver circuit and induction line technique are made in CF sides by the touch screen color membrane substrates that the present invention is provided, again molding process preparation is carried out with TFT, avoid and carry out not smooth enough the CF sides back side of touch screen driver circuit and induction line technique after thinning, so as to be conducive to being lifted the yield of the technique of touch screen driver circuit and induction line.
Description
Technical field
The present invention relates to the manufacture field of display, and in particular to a kind of color membrane substrates with touch controllable function.
Background technology
At present, its main shortcoming of On Cell (externally embedded type) touch screen has following two：
One is into after box and must carry out glass thinning again, and industry is carried out to the useful cyanogen fluoric acid of TFT-LCD elements into box at present
Prepared by the technique of glass surface thinning, but its technique has absolute influence, and a glass panel of thinning to environmental protection, it is easy because
For preceding technological factor or instantly thinning technological factor, in glass thinning etching process, causes glass surface to etch out-of-flatness, from
And cause the yield when making touch control line low.
If two be that, without glass thinning, it may also have dirty by glass surface in manufacturing process caused by conveyer structure
Dirty or scratch, is in turn resulted in low into yield during touch screen manufacturing process.
The content of the invention
The invention aims to overcome after the On Cell touch screen glass thinning etching that prior art is present, its table
Face out-of-flatness or dirty and scratch etc., influence subsequently prepares the relatively low defect of touch-control circuit yield, and there is provided a kind of new touch screen
Color membrane substrates.
The touch-control display panel On Cell processes of prior art, are after CF and TFT carry out into box, in the CF sides back of the body
Face (namely screen upper end) carries out touch screen driver circuit again and prepared by the technique of induction line, however, the invention of the present invention
People has found that this preparation technology of prior art can have following defect：CF and TFT is carried out into after box, it usually needs dispatched from the factory
Glass thinning is carried out, after thinning is etched, the usual out-of-flatness in its surface or there is dirty and scratch etc., follow-up progress can be influenceed
The yield of the technique of touch screen driver circuit and induction line is relatively low.Based on this, technical scheme is inventors herein proposed
To solve aforementioned drawback.
To achieve these goals, the present invention provides a kind of touch screen color membrane substrates, and the color membrane substrates are from the bottom to top successively
Including：
Underlay substrate；
Being arranged on the first insulating barrier of the upper surface of the underlay substrate, the lower surface of first insulating barrier has at least
In two touch control line Tx, each bar touch control line Tx insertions first insulating barrier so that touch control line Tx and the first insulating barrier
Copline；
Being arranged on the second insulating barrier of the upper surface of first insulating barrier, the lower surface of second insulating barrier has extremely
Few two touch control lines Rx, each bar touch control line Rx are embedded in second insulating barrier so that the insulation of touch control line Rx and second
Layer copline；
The black-matrix layer of the upper surface of second insulating barrier is arranged on, the black-matrix layer is by least three pixel lists
Member is partitioned at least two parts；
It is arranged on the coating of the upper surface of the black-matrix layer；And
It is arranged at least two posts layer of the upper surface of the coating.
Touch control line and the color membrane process structure sheafs of CF are arranged on the same side of underlay substrate by the present invention.
" color membrane substrates include successively from the bottom to top " is not offered as the direction being employed of color membrane substrates, the present invention be only for
Convenience description is clear and sets direction from the bottom to top.
Preferably, conducting touch control line is additionally provided with the upper surface of the underlay substrate, it, which is used to fit with TFT side, leads
It is logical.Therefore, the conducting touch control line is preferably provided at the marginal zone of the underlay substrate, also, the conducting touch control line
Upper surface on be not provided with insulating barrier and black matrix" layer by layer and coating.
The underlay substrate of the present invention for example can be glass substrate.The thickness of the glass substrate can be this area
Conventional thickness, the thickness of the glass substrate after thinning is handled significantly reduces, and under preferable case, is provided with first exhausted
The thickness of the underlay substrate after thinning is handled of edge layer and the second insulating barrier is about 0.15~0.2mm.
Structure including black-matrix layer, coating and post layer is the color membrane process structure sheafs of CF, the color film works of the CF
The thickness of skill structure sheaf is about 4~6 microns.
The material of first insulating barrier and second insulating barrier can be with identical, the material such as can be SiO or SiN
Material.
The material for forming the touch control line Tx and touch control line Rx is metal, and both materials can be with identical, example
It such as can be Mo, Ti, Al, ITO material.
Preferably, the thickness of the touch control line Tx is less than the thickness of first insulating barrier so that first insulation
It is not interrupted by touch control line Tx the upper surface of layer.
Preferably, the thickness of the touch control line Rx is less than the thickness of second insulating barrier so that second insulation
It is not interrupted by touch control line Rx the upper surface of layer.
The plane that touch control line Tx is formed together with the first insulating barrier is directly contacted with the upper surface of the underlay substrate.
The plane that touch control line Rx is formed together with the second insulating barrier is directly contacted with the upper surface of first insulating barrier.
Under preferable case, the thickness of the black-matrix layer formed by least three pixel cell intervals for 0.18~
1.5 micron.It is highly preferred that the width of the various pieces at least two parts of the black-matrix layer is identical.
Preferably, on the thickness direction of the color membrane substrates, touch control line Tx described in each bar is arranged at the black square
Battle array layer underface, and between the touch control line Tx and the black-matrix layer at least between be separated with the first insulating barrier and second
Insulating barrier.It is highly preferred that the width of the touch control line Tx is less than the black formed by least three pixel cell intervals
The width of various pieces at least two parts of matrix layer.
Under preferable case, on the thickness direction of the color membrane substrates, touch control line Rx is arranged at described black described in each bar
Between the underface of color matrix layer, and the touch control line Rx and the black-matrix layer at least between be separated with the second insulating barrier.
It is highly preferred that the width of the touch control line Rx is less than the black-matrix layer formed by least three pixel cell intervals
The width of various pieces at least in two parts.
According to preferred embodiment 1, the black-matrix layer is partitioned at least two by least three pixel cells
Part.Such as two parts, now, three pixel cells closely connect or can also have overlapping region between any two.
According to preferred embodiment 2, the black-matrix layer is partitioned at least four by least three pixel cells
Part, that is, three pixel cells are each non-intersect.
Under preferable case, each described touch control line Tx and each described touch control line Rx are separately positioned on by least three
Pixel cell is partitioned under the different piece of at least two-part black-matrix layer.
Preferably, the width of touch control line Tx described in each bar is more than the width of touch control line Rx described in each bar.
Preferably, on the thickness direction of the color membrane substrates, pixel cell described in each bar is at least partially embedded described to be covered
In cap rock.That is, under preferable case, the thickness of the pixel cell is more than the thickness of the black-matrix layer.
In the present invention, it is preferred to the black-matrix layer and the lower surface copline of the pixel cell.
Under preferable case, the width in the region of each bar pixel cell insertion coating, which is more than, is not embedded into the coating
Region each bar pixel cell width.
Under preferable case, the pixel cell includes red pixel cell, green pixel cell and blue pixel cells.
The present invention has no particular limits to the process for preparing the touch screen color membrane substrates, those skilled in the art
It can be carried out using the conventional method for preparing touch screen color membrane substrates in the art, the present invention provides a kind of exemplary tool herein
Body embodiment illustrates the method for preparing the touch screen color membrane substrates of the present invention, and those skilled in the art are it is not intended that to this hair
The limitation of bright protection domain, this method includes：
(1) the first metallic film is formed on the upper surface of underlay substrate by physical sputtering or evaporated device, be coated
Photoresist simultaneously covers edition template to the progress patterned exposure processing of the first metallic film, then carry out development work using the first touch-screen
Skill, the KOH using such as 2.8 weight % develops to unexposed photoresist region, so as to obtain touch control line (Tx)；
(2) it is coated with the first insulating barrier on the upper surface of the substrate obtained in step (1)；
(3) the second metal foil is formed on the upper surface of the substrate obtained by physical sputtering or evaporated device in step (2)
Film, is coated photoresist and covers edition template to the progress patterned exposure processing of the second metallic film using the second touch-screen, then enter
Row developing process, the KOH using such as 2.8 weight % develops to unexposed photoresist region, so as to obtain touch-control line
Road (Rx)；
(4) it is coated with the second insulating barrier on the upper surface of the substrate obtained in step (3)；
(5) the upper surface coating photoresist of the substrate obtained in step (4), forms photoresist layer, uses the 3rd touch-screen
Cover edition template and development is exposed to photoresist layer, the black-matrix layer precursor patterned dries the black-matrix layer
Precursor is to form the black-matrix layer；
(6) the upper surface coating photoresist of the substrate obtained in step (5), forms photoresist layer, uses the 4th touch-screen
Cover edition template and development is exposed to photoresist layer, obtain with red pixel cell, green pixel cell and blue pixel list
The matrix of any one in member, dries the matrix；
(7) repeat step (6) at least 2 times, to obtain the matrix with least three pixel cells, also, repeat step
It is different that middle the 4th touch-screen used covers edition template；
(8) coating is formed on the upper surface of the substrate obtained in step (7)；
(9) photoresist is coated on the upper surface of the substrate obtained in step (8), photoresist layer is formed, touched using the 5th
Screen covers edition template and development is exposed to photoresist layer, forms the post layer matrix precursor with column matrix pattern, dries described
Post layer matrix precursor obtains the post layer.
In the method for foregoing preferred embodiment, when touch screen color membrane substrates are used for TN products, in step
(8) in, the coating is TFT-LCD common electrode layers, and the step (8) includes：Existed by physical sputtering or evaporated device
Ito thin film is formed on the upper surface for the substrate that step (7) is obtained to obtain the coating.
In the method for foregoing preferred embodiment, when touch screen color membrane substrates are used for IPS products, in step
(8) in, the coating is planarization layer, and the step (8) includes：Coated on the upper surface of the substrate obtained in step (7)
Photoresist, forms photoresist layer, and photoresist layer is exposed development, forms planarization layer matrix precursor, dries the planarization
Layer matrix precursor is to obtain the coating.
Touch screen driver circuit and induction line technique are made in CF sides by the touch screen color membrane substrates that the present invention is provided,
Again with TFT carry out molding process preparation, this avoid by touch screen driver circuit and induction line technique after thinning not
The enough smooth CF sides back side is carried out, so as to be conducive to being lifted the yield of the technique of touch screen driver circuit and induction line.
Touch control line is produced on first layer on the inside of CF glass structures by the present invention, because touch control line is generally metallic circuit or is
Sheet ITO circuits are designed, and its Film Thickness Ratio CF process line thickness is thin, so as to avoid many climbings from causing broken string.
The touch screen color membrane substrates of the present invention can be in TFT into after box, then outer progress glass thinning of dispatching from the factory, it is to avoid because transporting
During or above-mentioned situation caused by exception, cause subsequent touch screen process yields low.
Brief description of the drawings
Fig. 1 is a kind of cross section structure schematic diagram of the touch screen color membrane substrates of preferred embodiment of the present invention.
Description of reference numerals
1st, underlay substrate 2, the first insulating barrier
3rd, the second insulating barrier 4, touch control line Tx
5th, touch control line Rx 6, black-matrix layer
7th, pixel cell 71, red pixel cell
72nd, green pixel cell 73, blue pixel cells
8th, coating 9, post layer
10th, touch control line is turned on
Embodiment
The end points and any value of disclosed scope are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The structure of the touch screen color membrane substrates of the present invention is described in detail below in conjunction with accompanying drawing, as shown in figure 1, institute
State color membrane substrates includes successively from the bottom to top：
Underlay substrate 1；
Being arranged on the first insulating barrier 2 of the upper surface of the underlay substrate, the lower surface of first insulating barrier 2 has extremely
Few two touch control lines Tx4, each bar touch control line Tx4 are embedded in first insulating barrier 2 so that touch control line Tx4 and first
The copline of insulating barrier 2；
It is arranged on the second insulating barrier 3 of the upper surface of first insulating barrier 2, the lower surface of second insulating barrier 3 and has
There is at least two touch control line Rx5, each bar touch control line Rx5 to be embedded in second insulating barrier 3 so that touch control line Rx5 with
The copline of second insulating barrier 3；
The black-matrix layer 6 of the upper surface of second insulating barrier 3 is arranged on, the black-matrix layer 6 is by least three pictures
Plain unit 7 is partitioned at least two parts；
It is arranged on the coating 8 of the upper surface of the black-matrix layer 6；And
It is arranged at least two posts layer 9 of the upper surface of the coating 8.
Preferably, conducting touch control line 10 is additionally provided with the upper surface of the underlay substrate, it is used to fit with TFT side
Conducting.Therefore, the conducting touch control line 10 is preferably provided at the marginal zone of the underlay substrate, also, the conducting touch-control
Insulating barrier and black matrix" are not provided with the upper surface of circuit 10 layer by layer and coating.
Preferably, the thickness for being spaced the black-matrix layer 6 formed by least three pixel cells 7 is 0.18~1.5
Micron.
Preferably, on the thickness direction of the color membrane substrates, touch control line Tx4 described in each bar is arranged at the black square
The underface of battle array layer 6.It is highly preferred that the width of the touch control line Tx4 is less than is spaced what is formed by least three pixel cells 7
The width of various pieces at least two parts of the black-matrix layer 6.
Preferably, on the thickness direction of the color membrane substrates, touch control line Rx5 described in each bar is arranged at the black square
The underface of battle array layer 6.It is highly preferred that the width of the touch control line Rx5 is less than is spaced what is formed by least three pixel cells 7
The width of various pieces at least two parts of the black-matrix layer 6.
Preferably, the width of touch control line Tx4 described in each bar is more than the width of touch control line Rx5 described in each bar.
Preferably, on the thickness direction of the color membrane substrates, pixel cell 7 described in each bar is at least partially embedded described to be covered
In cap rock 8.
Preferably, each bar pixel cell 7 be embedded in the region of the coating 8 width be more than be not embedded into the coating 8
Region each bar pixel cell 7 width.
Under preferable case, the pixel cell 7 includes red pixel cell 71, green pixel cell 72 and blue pixel list
Member 73.
According to preferred embodiment, the black-matrix layer 6 (is respectively red pixel by three pixel cells 7
Unit 71, green pixel cell 72 and blue pixel cells 73) four parts are partitioned into, that is, the respective not phase of three pixel cells 7
Hand over.
The present invention will be described in detail by way of examples below.
In following examples, the material of the first insulating barrier and the second insulating barrier is SiN materials；Touch control line Tx and touch-control
Circuit Rx material is Ti materials.
Underlay substrate used below is CF glass substrates.
Embodiment 1：The touch screen color membrane substrates shown in Fig. 1 are prepared, and touch screen color membrane substrates are used for TN products
(1) the first metallic film is formed on the upper surface of underlay substrate by physical sputtering, is coated photoresist and makes
Edition template is covered with the first touch-screen patterned exposure processing is carried out to the first metallic film, then carry out developing process, use 2.8 weights
Amount % KOH develops to unexposed photoresist region, so as to obtain touch control line (Tx)；
(2) it is coated with the first insulating barrier on the upper surface of the substrate obtained in step (1)；
(3) the second metallic film is formed on the upper surface of the substrate obtained by physical sputtering in step (2), is coated light
Photoresist simultaneously covers edition template using the second touch-screen and carries out patterned exposure processing to the second metallic film, then carries out developing process,
Unexposed photoresist region is developed using 2.8 weight % KOH, so as to obtain touch control line (Rx)；
(4) it is coated with the second insulating barrier on the upper surface of the substrate obtained in step (3)；
(5) the upper surface coating photoresist of the substrate obtained in step (4), forms photoresist layer, uses the 3rd touch-screen
Cover edition template and development is exposed to photoresist layer, the black-matrix layer precursor patterned dries the black-matrix layer
Precursor is to form the black-matrix layer；
(6) the upper surface coating photoresist of the substrate obtained in step (5), forms photoresist layer, uses the 4th touch-screen
Cover edition template and development is exposed to photoresist layer, obtain the matrix with red pixel cell, dry the matrix；
(7) repeat step (6) 2 times, to respectively obtain matrix with green pixel cell and with blue pixel cells
Matrix, it is different that the 4th touch-screen used in repeat step covers edition template；
(8) ito thin film is formed on the upper surface of the substrate obtained in step (7) by physical sputtering to obtain coating
(TFT-LCD common electrode layers)；
(9) photoresist is coated on the upper surface of the substrate obtained in step (8), photoresist layer is formed, touched using the 5th
Screen covers edition template and development is exposed to photoresist layer, forms the post layer matrix precursor with column matrix pattern, dries described
Post layer matrix precursor obtains the post layer；
(10) substrate for obtaining step (9) carries out into progress glass thinning processing of being dispatched from the factory after box with TFT, after thinning
Obtained substrate gross thickness is 0.3~0.4mm.
Produced in batches using above-mentioned technical process, as a result：After the continuous 300 big plate of production, the examination of module is measured
Production yield is more than 93%.
Embodiment 2：The touch screen color membrane substrates shown in Fig. 1 are prepared, and touch screen color membrane substrates are used for IPS products
(1) the first metallic film is formed on the upper surface of underlay substrate by physical sputtering, is coated photoresist and makes
Edition template is covered with the first touch-screen patterned exposure processing is carried out to the first metallic film, then carry out developing process, use 2.8 weights
Amount % KOH develops to unexposed photoresist region, so as to obtain touch control line (Tx)；
(2) it is coated with the first insulating barrier on the upper surface of the substrate obtained in step (1)；
(3) the second metallic film is formed on the upper surface of the substrate obtained by physical sputtering in step (2), is coated light
Photoresist simultaneously covers edition template using the second touch-screen and carries out patterned exposure processing to the second metallic film, then carries out developing process,
Unexposed photoresist region is developed using 2.8 weight % KOH, so as to obtain touch control line (Rx)；
(4) it is coated with the second insulating barrier on the upper surface of the substrate obtained in step (3)；
(5) the upper surface coating photoresist of the substrate obtained in step (4), forms photoresist layer, uses the 3rd touch-screen
Cover edition template and development is exposed to photoresist layer, the black-matrix layer precursor patterned dries the black-matrix layer
Precursor is to form the black-matrix layer；
(6) the upper surface coating photoresist of the substrate obtained in step (5), forms photoresist layer, uses the 4th touch-screen
Cover edition template and development is exposed to photoresist layer, obtain the matrix with red pixel cell, dry the matrix；
(7) repeat step (6) 2 times, to respectively obtain matrix with green pixel cell and with blue pixel cells
Matrix, it is different that the 4th touch-screen used in repeat step covers edition template；
(8) photoresist is coated on the upper surface of the substrate obtained in step (7), photoresist layer is formed, photoresist layer is carried out
Exposure imaging, forms planarization layer matrix precursor, dries the planarization layer matrix precursor to obtain the coating (planarization
Layer)；
(9) photoresist is coated on the upper surface of the substrate obtained in step (8), photoresist layer is formed, touched using the 5th
Screen covers edition template and development is exposed to photoresist layer, forms the post layer matrix precursor with column matrix pattern, dries described
Post layer matrix precursor obtains the post layer；
(10) substrate for obtaining step (9) carries out into progress glass thinning processing of being dispatched from the factory after box with TFT, after thinning
The thickness of obtained substrate is 0.3~0.4mm.
Produced in batches using above-mentioned technical process, as a result：After the continuous 300 big plate of production, the examination of module is measured
Production yield is more than 93%.
The touch screen color membrane substrates that there is provided of the present invention are by touch screen driver circuit and the line of induction it can be seen from the above results
Road technique is made in CF sides, then carries out molding process preparation with TFT, and this avoid by touch screen driver circuit and the line of induction
Not smooth enough the CF side back side of the road technique after thinning is carried out, so as to be conducive to lifting touch screen driver circuit and induction line
Technique yield.
The preferred embodiment of the present invention described in detail above, still, the present invention is not limited thereto.In the skill of the present invention
In art concept, technical scheme can be carried out a variety of simple variants, including each technical characteristic with it is any its
Its suitable method is combined, and these simple variants and combination should equally be considered as content disclosed in this invention, belong to
Protection scope of the present invention.
Claims (10)
1. a kind of touch screen color membrane substrates, it is characterised in that the color membrane substrates include successively from the bottom to top：
Underlay substrate (1)；
Being arranged on the first insulating barrier (2) of the upper surface of the underlay substrate, the lower surface of first insulating barrier has at least
Two touch control line Tx (4), each bar touch control line Tx is embedded in first insulating barrier so that the insulation of touch control line Tx and first
Layer copline；
Being arranged on the second insulating barrier (3) of the upper surface of first insulating barrier, the lower surface of second insulating barrier has extremely
Few two touch control line Rx (5), each bar touch control line Rx is embedded in second insulating barrier so that touch control line Rx and second is exhausted
Edge layer copline；
The black-matrix layer (6) of the upper surface of second insulating barrier is arranged on, the black-matrix layer is by least three pixel lists
First (7) are partitioned at least two parts；
It is arranged on the coating (8) of the upper surface of the black-matrix layer；And
It is arranged at least two posts layer (9) of the upper surface of the coating.
2. color membrane substrates according to claim 1, it is characterised in that the thickness of the black-matrix layer is 0.18~1.5
Micron.
3. color membrane substrates according to claim 1 or 2, it is characterised in that on the thickness direction of the color membrane substrates, respectively
Touch control line Tx is arranged at the underface of the black-matrix layer described in bar.
4. color membrane substrates according to claim 3, it is characterised in that the width of the touch control line Tx is less than by least three
The width of various pieces at least two parts for the black-matrix layer that bar pixel cell interval is formed.
5. color membrane substrates according to claim 1 or 2, it is characterised in that on the thickness direction of the color membrane substrates, respectively
Touch control line Rx is arranged at the underface of the black-matrix layer described in bar.
6. color membrane substrates according to claim 5, it is characterised in that the width of the touch control line Rx is less than by least three
The width of various pieces at least two parts for the black-matrix layer that bar pixel cell interval is formed.
7. the color membrane substrates according to claim 4 or 6, it is characterised in that touch control line Tx width is more than described in each bar
Touch control line Rx width described in each bar.
8. color membrane substrates according to claim 1 or 2, it is characterised in that on the thickness direction of the color membrane substrates, respectively
In at least partially embedded coating of pixel cell described in bar.
9. color membrane substrates according to claim 8, it is characterised in that each bar pixel cell is embedded in the region of the coating
Width be more than be not embedded into the coating region each bar pixel cell width.
10. color membrane substrates according to claim 1 or 2, it is characterised in that the pixel cell includes red pixel cell
(71), green pixel cell (72) and blue pixel cells (73).
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| CN201710362476.3A CN107065267A (en) | 2017-05-22 | 2017-05-22 | Touch screen color membrane substrates |
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| CN201710362476.3A CN107065267A (en) | 2017-05-22 | 2017-05-22 | Touch screen color membrane substrates |
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